Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's mild 55.6°F (13.1°C) to a chilly 48.4°F (9.1°C). Whaleyville experiences an average nighttime temperature of 39.2°F (4°C) in the month of December.Humidity
In Whaleyville, Maryland, the average relative humidity in December is 76%.Rainfall
In Whaleyville, in December, it is raining for 10.4 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 139.3 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
Months with snowfall in Whaleyville are January through March, November and December. In Whaleyville, during December, snow falls for 2 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, in Whaleyville, there are 8.6 snowfall days, and 1.34" (34mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:40 pm. On the last day of December, in Whaleyville, sunrise is at 7:18 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine in Whaleyville is 5.4h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are December temperatures in Whaleyville?
What is the average humidity in December in Whaleyville?
How many days does it rain in December in Whaleyville?
How much does it snow in Whaleyville in December?
What is the month with the shortest days in Whaleyville?
How many hours of daylight does Whaleyville have in December?
When are sunrise and sunset in December in Whaleyville?
How long on average sun shines in December in Whaleyville?
When is the lowest UV index in Whaleyville?
What is the UV index reading in December in Whaleyville?
Average temperature in December
Whaleyville, MD
- Average high temperature in December: 48.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Whaleyville, MD
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Whaleyville, MD
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in December
Whaleyville, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Whaleyville, MD
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Whaleyville, MD
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Whaleyville, MD
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Whaleyville, MD
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Whaleyville, MD
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Whaleyville, MD
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in December
Whaleyville, MD
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Whaleyville, MD
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Whaleyville, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Whaleyville, Maryland, USA
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